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media: venus: add support for key frame

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When client requests for a keyframe, set the property
to hardware to generate the sync frame.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Malathi Gottam 2018-11-02 08:57:56 -04:00 committed by Mauro Carvalho Chehab
parent 8d31a499c6
commit c35f0b1653
1 changed files with 18 additions and 1 deletions
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19
drivers/media/platform/qcom/venus/venc_ctrls.c
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@ -79,6 +79,7 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct venus_inst *inst = ctrl_to_inst(ctrl);
struct venc_controls *ctr = &inst->controls.enc;
struct hfi_enable en = { .enable = 1 };
struct hfi_bitrate brate;
u32 bframes;
u32 ptype;
@ -188,6 +189,19 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
ctr->num_b_frames = bframes;
break;
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
mutex_lock(&inst->lock);
if (inst->streamon_out && inst->streamon_cap) {
ptype = HFI_PROPERTY_CONFIG_VENC_REQUEST_SYNC_FRAME;
ret = hfi_session_set_property(inst, ptype, &en);
if (ret) {
mutex_unlock(&inst->lock);
return ret;
}
}
mutex_unlock(&inst->lock);
break;
default:
return -EINVAL;
}
@ -203,7 +217,7 @@ int venc_ctrl_init(struct venus_inst *inst)
{
int ret;
ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 27);
ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 28);
if (ret)
return ret;
@ -324,6 +338,9 @@ int venc_ctrl_init(struct venus_inst *inst)
v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, 0, (1 << 16) - 1, 1, 0);
v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
ret = inst->ctrl_handler.error;
if (ret)
goto err;